[INFO] fetching crate imgui-ext 0.3.0...
[INFO] documenting imgui-ext-0.3.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate imgui-ext 0.3.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate imgui-ext 0.3.0 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate imgui-ext 0.3.0
[INFO] finished tweaking crates.io crate imgui-ext 0.3.0
[INFO] tweaked toml for crates.io crate imgui-ext 0.3.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate imgui-ext 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.0
[INFO] [stderr]   Downloaded syn v1.0.1
[INFO] [stderr]   Downloaded imgui-opengl-renderer v0.4.0
[INFO] [stderr]   Downloaded imgui-sdl2 v0.5.0
[INFO] [stderr]   Downloaded imgui-ext-derive v0.3.0
[INFO] [stderr]   Downloaded quote v1.0.0
[INFO] [stderr]   Downloaded imgui v0.0.22
[INFO] [stderr]   Downloaded imgui-sys v0.0.22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0997d0be83abcfc80b9462721860b2c94904f47d9eb1ec9bcd344a4d835a9570
[INFO] running `Command { std: "docker" "start" "-a" "0997d0be83abcfc80b9462721860b2c94904f47d9eb1ec9bcd344a4d835a9570", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0997d0be83abcfc80b9462721860b2c94904f47d9eb1ec9bcd344a4d835a9570", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0997d0be83abcfc80b9462721860b2c94904f47d9eb1ec9bcd344a4d835a9570", kill_on_drop: false }`
[INFO] [stdout] 0997d0be83abcfc80b9462721860b2c94904f47d9eb1ec9bcd344a4d835a9570
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6c07e00a70ba3ca89fdecef325dd0c22b8eca35d3ef9c367a977487e1134575
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d6c07e00a70ba3ca89fdecef325dd0c22b8eca35d3ef9c367a977487e1134575", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.0
[INFO] [stderr]    Compiling syn v1.0.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling imgui-sys v0.1.0
[INFO] [stderr]     Checking lock_api v0.2.0
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_pcg v0.1.2
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]    Compiling quote v1.0.0
[INFO] [stderr]    Compiling backtrace v0.3.34
[INFO] [stderr]     Checking parking_lot_core v0.5.0
[INFO] [stderr]     Checking parking_lot v0.8.0
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling imgui-ext-derive v0.3.0
[INFO] [stderr]     Checking imgui v0.1.0
[INFO] [stderr]  Documenting imgui-ext v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.58s
[INFO] running `Command { std: "docker" "inspect" "d6c07e00a70ba3ca89fdecef325dd0c22b8eca35d3ef9c367a977487e1134575", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6c07e00a70ba3ca89fdecef325dd0c22b8eca35d3ef9c367a977487e1134575", kill_on_drop: false }`
[INFO] [stdout] d6c07e00a70ba3ca89fdecef325dd0c22b8eca35d3ef9c367a977487e1134575